giving

What inspires humans to acts of generosity? Economists, psychologists and philosophers have pondered this question for millennia.
If one assumes that human behaviour is primarily motivated by self-interest, it seems illogical to willingly sacrifice resources for others.
In an attempt to solve this paradox, some experts have theorised that giving satisfies a desire to boost one's standing in a group.
Others have suggested it fosters tribal cooperation and cohesion -- a key element in mammal survival. Yet another…